[PATCH] drm/radeon: resume fence driver to last sync sequence on lockup

Jerome Glisse j.glisse at gmail.com
Fri Dec 14 12:33:24 PST 2012


On Fri, Dec 14, 2012 at 3:13 PM, Christian König
<deathsimple at vodafone.de> wrote:
> On 14.12.2012 18:39, j.glisse at gmail.com wrote:
>>
>> From: Jerome Glisse <jglisse at redhat.com>
>>
>> After lockup we need to resume fence to last sync sequence and not
>> last received sequence so that all thread waiting on command stream
>> that lockedup resume. Otherwise GPU reset will be ineffective in most
>> cases.
>
> NAK. I changed this on purpose to get partial resets working, please don't
> change it back.
>
> The IB test code should reset this to the last synced value anyway, if it
> doesn't work then there is something wrong there.
>
> Christian.

There is something wrong ....

Jerome


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